Both Espeon and Umbreon Gold Star hail from POP Series 5, which was a special set that was released for the Pokmon Organized Play program, which featured organized official tournaments and events
You can either create a 2/2 Cat Beast token, or you can put a +1/+1 counter on all of your Creatures, and then they all gain vigilance until end of turn
Draconic Destruction (Red-Green)Go on the attack with Atarka and double down on dragon damage
Crew up unique vehicles and mounts as you discover which team best suits your style, then hit max speed to claim the gold
And unlike other 'regular' rare Pokmon cards, there were only 39 examples ever made, which means they're almost impossible to find
The lifegain mode is, again, niche, but slotting in a repeatable lifegain trigger into a deck like Lathiel or Krav & Regna is really not the worst, especially given the kinds of spells youll have protection from